Written in occupied Paris in 1944, Vingt Regards sur l’Enfant-Jesus is a majestic piece of music. Olivier Messiaen’s masterpiece calls for a pianist of exceptional skill. Step forward Cordelia Williams. After performing the original work, the virtuoso will attempt a response piece composed by award-winning poet Michael Symmons Roberts. Prepare to be awestruck. Please arrive on time as latecomers may not be admitted.